" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
12x + 18 = 198 (Aplicamos distributiva)
12 x = 198 - 18
12 x = 180
x = 180 : 12
x = 15
Comprobamos:
3. (4x + 6) = 198
3 . (4 . 15 + 6) = 198
3 . (60 + 6) = 198
180 + 18 = 198 (Aplicamos distributiva)
198 = 198